Omnibox: Create DemoteByType Experiment

chrome/common/metrics/variations/variations_associated_data.h

Index: chrome/common/metrics/variations/variations_associated_data.h
diff --git a/chrome/common/metrics/variations/variations_associated_data.h b/chrome/common/metrics/variations/variations_associated_data.h
index 182b66b4c810b923c87b97829c1218d86c72339d..d191d380e301e33bd0616f2fe22513a22bb3bd35 100644
--- a/chrome/common/metrics/variations/variations_associated_data.h
+++ b/chrome/common/metrics/variations/variations_associated_data.h
@@ -137,13 +137,15 @@ bool GetVariationParams(const std::string& trial_name,
 std::string GetVariationParamValue(const std::string& trial_name,
                                    const std::string& param_name);
 
-// Expose some functions for testing. These functions just wrap functionality
-// that is implemented above.
+// Expose some functions for testing.
 namespace testing {
 
 // Clears all of the mapped associations.
 void ClearAllVariationIDs();
 
+// Clears all of the associated params.
+void ClearAllVariationParams();
+
 }  // namespace testing
 
 }  // namespace chrome_variations